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openSUSE Leap 15.4: 2023:0394-1 Important Kernel Security Advisory

opensuse
Calendar Grey February 13, 2023
Dist Opensuse Esm H88
Important openSUSE security announcement addresses various kernel flaws with crucial patches and enhanced functionalities.
An update that solves 5 vulnerabilities, contains two features and has 41 fixes is now available.

Description

The SUSE Linux Enterprise 15 SP4 AZURE kernel was updated to receive

various security and bugfixes.

The following security bugs were fixed:

- CVE-2023-0266: Fixed a use-after-free vulnerability inside the ALSA PCM

package. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 was missing locks that

could have been used in a use-after-free that could have resulted in a

priviledge escalation to gain ring0 access from the system user

(bsc#1207134).

- CVE-2023-0179: Fixed incorrect arithmetics when fetching VLAN header

bits (bsc#1207034).

- CVE-2022-47929: Fixed NULL pointer dereference bug in the traffic

control subsystem (bnc#1207237).

- CVE-2022-4382: Fixed a use-after-free flaw that was caused by a race

condition among the superblock operations inside the gadgetfs code

(bsc#1206258).

- CVE-2020-24588: Fixed injection of arbitrary network packets against

devices that support receiving non-SSP A-MSDU frames (which is mandatory

...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory privilege escalation patch kernel important update openSUSE use-after-free

Patch

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.4:

zypper in -t patch openSUSE-SLE-15.4-2023-394=1

- SUSE Linux Enterprise Module for Public Cloud 15-SP4:

zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2023-394=1

Package List

- openSUSE Leap 15.4 (aarch64 x86_64):

cluster-md-kmp-azure-5.14.21-150400.14.34.1

cluster-md-kmp-azure-debuginfo-5.14.21-150400.14.34.1

dlm-kmp-azure-5.14.21-150400.14.34.1

dlm-kmp-azure-debuginfo-5.14.21-150400.14.34.1

gfs2-kmp-azure-5.14.21-150400.14.34.1

gfs2-kmp-azure-debuginfo-5.14.21-150400.14.34.1

kernel-azure-5.14.21-150400.14.34.1

kernel-azure-debuginfo-5.14.21-150400.14.34.1

kernel-azure-debugsource-5.14.21-150400.14.34.1

kernel-azure-devel-5.14.21-150400.14.34.1

kernel-azure-devel-debuginfo-5.14.21-150400.14.34.1

kernel-azure-extra-5.14.21-150400.14.34.1

kernel-azure-extra-debuginfo-5.14.21-150400.14.34.1

kernel-azure-livepatch-devel-5.14.21-150400.14.34.1

kernel-azure-optional-5.14.21-150400.14.34.1

kernel-azure-optional-debuginfo-5.14.21-150400.14.34.1

kernel-syms-azure-5.14.21-150400.14.34.1

kselftests-kmp-azure-5.14.21-150400.14.34.1

kselftests-kmp-azure-debuginfo-5.14.21-150400.14.34.1

ocfs2-kmp-azure-5.14.21-150400.14.34.1

ocfs2-kmp-azure-debuginfo-5.14.21-150400.14.34.1

reiserfs-kmp-azure...

Read the Full Advisory

References

https://www.suse.com/security/cve/CVE-2020-24588.html

https://www.suse.com/security/cve/CVE-2022-4382.html

https://www.suse.com/security/cve/CVE-2022-47929.html

https://www.suse.com/security/cve/CVE-2023-0179.html

https://www.suse.com/security/cve/CVE-2023-0266.html

https://bugzilla.suse.com/1185861

https://bugzilla.suse.com/1185863

https://bugzilla.suse.com/1186449

https://bugzilla.suse.com/1191256

https://bugzilla.suse.com/1192868

https://bugzilla.suse.com/1193629

https://bugzilla.suse.com/1194869

https://bugzilla.suse.com/1195175

https://bugzilla.suse.com/1195655

https://bugzilla.suse.com/1196058

https://bugzilla.suse.com/1199701

https://bugzilla.suse.com/1204063

https://bugzilla.suse.com/1204356

https://bugzilla.suse.com/1204662

https://bugzilla.suse.com/1205495

https://bugzilla.suse.com/1206006

https://bugzilla.suse.com/1206036

https://bugzilla.suse.com/1206056

https://bugzilla.suse.com/1206057

https://bugzilla.suse.com/1206258

https://bugzilla.suse.com/1206363

https://bugzilla.suse.com/1206459

https://bugz...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:0394-1
Rating: important
Affected Products: SUSE Linux Enterprise High Performance Computing 15-SP4 SUSE Linux Enterprise Module for Public Cloud 15-SP4 SUSE Linux Enterprise Server 15-SP4 SUSE Linux Enterprise Server for SAP Applications 15-SP4 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.3 openSUSE Leap 15.4 le.

Topics%20covered

Topics Covered

security advisory privilege escalation patch kernel important update openSUSE use-after-free

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